diff --git a/apps/server/src/api/v2/slack/index.ts b/apps/server/src/api/v2/slack/index.ts
index 37f70a8a9..bfd8e6bc1 100644
--- a/apps/server/src/api/v2/slack/index.ts
+++ b/apps/server/src/api/v2/slack/index.ts
@@ -16,9 +16,37 @@ const app = new Hono()
   .delete('/integration', requireAuth, (c) => slackHandler.removeIntegration(c))
   // Events endpoint (no auth required for Slack webhooks)
   .post('/events', async (c) => {
-    const body = await c.req.json();
-    const response = await eventsHandler(body);
-    return c.json(response);
+    try {
+      // Slack sends different content types for different events
+      // For URL verification, it's application/x-www-form-urlencoded
+      // For actual events, it's application/json
+      const contentType = c.req.header('content-type');
+      
+      if (contentType?.includes('application/x-www-form-urlencoded')) {
+        // Handle URL verification challenge
+        const formData = await c.req.parseBody();
+        if (formData.challenge) {
+          return c.text(formData.challenge as string);
+        }
+      }
+      
+      // For JSON payloads, try to parse but don't fail
+      let body = null;
+      if (contentType?.includes('application/json')) {
+        try {
+          body = await c.req.json();
+        } catch {
+          // If JSON parsing fails, just continue
+        }
+      }
+      
+      const response = await eventsHandler(body);
+      return c.json(response);
+    } catch (error) {
+      // Log the error but always return 200 OK for Slack
+      console.error('Error processing Slack event:', error);
+      return c.json({ success: true });
+    }
   })
   // Error handling
   .onError((e, c) => {